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Finding the Fourth Proportional to 20,698.88, 31,053.24 and 6,847.88

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Solution

The fourth proportional to 20,698.88, 31,053.24 and 6,847.88 is: 10,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.88 : 31,053.24 = 6,847.88 : x
  2. Step 2: Convert to fraction form
    20,698.88/31,053.24 = 6,847.88/x
  3. Step 3: Cross multiply
    20,698.88x = 31,053.24 × 6,847.88
  4. Step 4: Simplify right side
    20,698.88x = 212,648,705.87
  5. Step 5: Solve for x
    x = 212,648,705.87/20,698.88
  6. Step 6: Final answer
    x = 10,273.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.